- Mar 1 The March 1st, or Samil Movement, begins in Korea: it is a demonstration of resistance to Japanese occupation
- Mar 1 Future Hockey Hall of Fame center Newsy Lalonde sets a playoff record with 5 goals in the Canadiens' 6-3 win over Ottawa in NHL Championship Game 3 in Montreal
- Mar 2 1st congress of Communist International opens at the Kremlin
- Mar 3 1st international air mail service from US, Seattle-Victoria, BC
- Mar 3 Communist Party in Germany announces a general strike
- Mar 5 Louis Hirsch & Harold Atteridge's musical premieres in NYC
- Mar 6 NHL Championship: Montreal Canadiens beat Ottawa Senators, 3 games to 1 with 1 tie
- Mar 11 General strike in Germany crushed
- Mar 12 Austrian National Meeting affirms Anschluss (incorporate into Germany)
Event of Interest
Mar 12 George Bernard Shaw's "Augustus Does His Bit" premieres in NYC

George Bernard Shaw
- Mar 15 American Legion forms (Paris)
Event of Interest
Mar 16 Frank Wedekind's "Elius Erweckung" premieres in Hamburg

Frank Wedekind
Historic Publication
Mar 19 Literary Magazine "Littérature", edited by André Breton, Philippe Soupault, and Louis Aragon publishes its first issue

André Breton
- Mar 23 Bashkir ASSR, in RSFSR, constituted
Event of Interest
Mar 23 Benito Mussolini forms Fascist movement in Milan Italy

Benito Mussolini
Event of Interest
Mar 23 8th Congress of the Russian Communist Party re-establishes a five-member Politburo which becomes the center of political power in the Soviet Union. Original members Vladimir Lenin, Leon Trotsky, Joseph Stalin, Lev Kamenev and Nikolai Krestinsky

Vladimir Lenin

Joseph Stalin

Leon Trotsky
Conference of Interest
Mar 25 Woodrow Wilson's dream of a League of Nations becomes a reality after the League Covenant is adopted at the Paris Peace Conference

Woodrow Wilson

Mahatma Gandhi